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Stock Assessment Graphs
Stock assessment graphs
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Lesser spotted dogfish (Scyliorhinus canicula) in divisions 8.a-b and 8.d (Bay of Biscay)
Species:
Stock Assessment Graphs
Stock code:
syc.27.8abd
Assessment Year:
2017
Key:
8933
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
Fishing pressure units
Stock size description
Biomass index
Stock size units
NA
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
F
MSY
Precautionary approach
B
lim
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
Low SSB
SSB
High SSB
Landings
Catches
Discards
1997
0.121801333168156
0.223965969691419
0.326130606214681
967.341
967.341
1998
0.15973171766091
0.296958900170947
0.434186082680983
1319.87895275591
1319.87895275591
1999
0.0777879130291312
0.361677506536435
0.645567100043739
668.564
668.564
2000
0.113697400265381
0.21012519999199
0.306552999718599
1115.06847969543
1115.06847969543
2001
0.167359305558206
0.494310035014962
0.821260764471718
1141.86331
1141.86331
2002
0.525257927219791
0.769627116699314
1.01399630617884
1144.7385
1144.7385
2003
0.100243702639013
0.246685274112152
0.393126845585291
1366.24049
1714.69488831863
348.45439831863
2004
0.323292363257726
1.0269488999421
1.73060543662648
1437.549852
2091.93605703096
654.386205030958
2005
0.418815368343527
0.64273581848841
0.866656268633293
1596.82738
1871.50804648552
274.680666485518
2006
0.406505308446834
0.741138646716373
1.07577198498591
1598.06685
1770.62373451207
172.556884512068
2007
0.898510305115522
1.24160461061568
1.58469891611585
1691.41368
2108.88686031595
417.47318031595
2008
1.54820091622173
2.47411189861526
3.40002288100878
1862.63345
2503.87996794476
641.246517944756
2009
1.17162697247476
1.8414298217226
2.51123267097044
1585.69596
2677.89825308836
1092.20229308836
2010
0.434510878778428
1.86156626454757
3.28862165031672
1415.25613
2103.33008637984
688.073956379841
2011
0.957745643658617
1.7558825519466
2.55401946023458
1330.37236
5726.10004950735
4395.72768950735
2012
0.793630006471583
1.30054568434701
1.80746136222244
1417.99568
7191.50871719979
5773.51303719979
2013
0.792338490014163
1.3218098330088
1.85128117600344
959.65882
3542.13336662308
2582.47454662308
2014
0.764785232547732
1.11688413140301
1.46898303025828
837.99941
5960.24518803258
5122.24577803258
2015
0.602474106630566
0.944363557638026
1.28625300864549
891.40961
10041.8522787214
9150.44266872136
2016
0.527624139399324
1.12762827879134
1.72763241818336
1002.55569
10212.4587261451
9209.90303614514
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
Label1
label2
Label3
Label4
label5
Custom fish data column names
Custom fish data
Sensivity data